What is the purpose of color-adjusting light sources with gels in digital photography? Are they reserved exclusively for scenarios in which one wants different colors from different lights?
I assume ...

Okay, so I know that using a color filter can have some desirable effects, for instance, if you use a certain color filter, it will diminish the effects of any skin problems a person has. What color ...

I have been looking at this tutorial from Astostuff on taking off the hot mirror on a D70, but cannot figure out from the page where the color mosaic filter is located.
Is it possible to remove the ...

Originally, this question was titled: How to detemine native color temperature of a sensor?
For questions about warming filters and color filters in general, leading answers indicate that for optimal ...

I am a bit confused... I'm not sure if the cokin system will work on my lens, as my lens doesn't have threads for a filter.
I've found that placing a Z series cokin filter in front of the lens will ...

Does it make sense to use filters for black and white photography, as opposed to using software to convert photos? As I understand it, photos that have been made in a natural way (using filters) are ...

A common trend I'm seeing a lot of is to put a strong color gradient over a photograph to create an attractive background. I'm not talking about slight color tweaks that instagram does, but instead ...

I bought a UV Filter that came with a Polarizing Filter and a Fluorescent Filter. While I understand the polarizing filter what is the point of a fluorescent filter? When I tried the filter under a ...

There is an option to filter only one color (R,G,B,Y) in my camera. What I want to know is can this effect be achieved in photoshop? And what is this called? I tried googling monochrome and came up ...

This image has the look of one taken with the HDR technique, yet it is a live performance therefore would be extremely hard to do, as the subject would be moving around. I used photoshop, Gimp and HDR ...